透き通る

1. Origins, structure, and basic meaning

• Structure: The spelling is 透き通る, read すきとおる, and it is a godan intransitive compound of 透く, meaning show through, and 通る, meaning pass through.
• Basic usage: The basic sense of 透き通る is being transparent enough for light to pass through or sounding exceptionally clear and pure.

2. Common pitfalls and similar expressions

• Visual transparency and auditory clarity
  • The forms are 透き通って and 透き通る. For water, the word describes transparency; for a voice, it describes a clear tone without muddiness.
• Lake stones and a singing voice in a hall
  • 湖の水は底の石が見えるほど透き通っています。 — The lake water is so clear that the stones on the bottom are visible.
  • 彼女の透き通る歌声が静かな会場に響きました。 — Her crystal-clear singing voice filled the quiet hall.